///*
// * Copyright (C) 2010 ZXing authors
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package com.app.utils.barcode;
//
//import java.io.ByteArrayOutputStream;
//import java.util.Hashtable;
//import java.util.Map;
//
//import android.graphics.Bitmap;
//import android.os.Bundle;
//import android.os.Handler;
//import android.os.Looper;
//import android.os.Message;
//import android.util.Log;
//
//import com.google.zxing.BinaryBitmap;
//import com.google.zxing.DecodeHintType;
//import com.google.zxing.MultiFormatReader;
//import com.google.zxing.PlanarYUVLuminanceSource;
//import com.google.zxing.ReaderException;
//import com.google.zxing.Result;
//import com.google.zxing.common.HybridBinarizer;
//import com.lib.bar.scan.R;
//
//final class DecodeHandler extends Handler {
//
//	private static final String TAG = DecodeHandler.class.getSimpleName();
//
//	private final CaptureActivity activity;
//
//	private MultiFormatReader multiFormatReader;
//
//	private boolean running = true;
//
//	DecodeHandler(CaptureActivity activity, Map<DecodeHintType, Object> hints) {
//		multiFormatReader = new MultiFormatReader();
//		multiFormatReader.setHints(hints);
//		this.activity = activity;
//	}
//
//	@Override
//	public void handleMessage(Message message) {
//		if (!running) {
//			return;
//		}
//		int rid = message.what;
//		if (rid == R.id.decode) {
//			decode((byte[]) message.obj, message.arg1, message.arg2);
//		} else if (rid == R.id.quit) {
//			running = false;
//			Looper.myLooper().quit();
//		}
//	}
//
//	/**
//	 * Decode the data within the viewfinder rectangle, and time how long it
//	 * took. For efficiency, reuse the same reader objects from one decode to
//	 * the next.
//	 * 
//	 * @param data
//	 *            The YUV preview frame.
//	 * @param width
//	 *            The width of the preview frame.
//	 * @param height
//	 *            The height of the preview frame.
//	 */
//	private void decode(byte[] data, int width, int height) {
//		long start = System.currentTimeMillis();
//		Result rawResult = null;
//
//		if(data == null || data.length == 0)
//		{
//			return;
//		}
//		
//		byte[] rotatedData = new byte[data.length];
//		for (int y = 0; y < height; y++) {
//			for (int x = 0; x < width; x++)
//				rotatedData[x * height + height - y - 1] = data[x + y * width];
//		}
//		int tmp = width;
//		width = height;
//		height = tmp;
//
//		PlanarYUVLuminanceSource source = activity.getCameraManager()
//				.buildLuminanceSource(rotatedData, width, height);
//		if (source != null) {
//			BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
//			try {
//				// 预览界面最终取到的是个bitmap，然后对其进行解码
//				rawResult = multiFormatReader.decodeWithState(bitmap);
//			} catch (ReaderException re) {
//				// continue
//			} finally {
//				multiFormatReader.reset();
//			}
//		}
//
//		Handler handler = activity.getHandler();
//		if (rawResult != null) {
//			// Don't log the barcode contents for security.
//			long end = System.currentTimeMillis();
//			Log.d(TAG, "Found barcode in " + (end - start) + " ms");
//			if (handler != null) {
//				Message message = Message.obtain(handler,
//						R.id.decode_succeeded, rawResult);
//				Bundle bundle = new Bundle();
//				bundleThumbnail(source, bundle);
//				message.setData(bundle);
//				message.sendToTarget();
//			}
//		} else {
//			if (handler != null) {
//				Message message = Message.obtain(handler, R.id.decode_failed);
//				message.sendToTarget();
//			}
//		}
//	}
//
//	private static void bundleThumbnail(PlanarYUVLuminanceSource source,
//			Bundle bundle) {
//		int[] pixels = source.renderThumbnail();
//		int width = source.getThumbnailWidth();
//		int height = source.getThumbnailHeight();
//		Bitmap bitmap = Bitmap.createBitmap(pixels, 0, width, width, height,
//				Bitmap.Config.ARGB_8888);
//		ByteArrayOutputStream out = new ByteArrayOutputStream();
//		bitmap.compress(Bitmap.CompressFormat.JPEG, 50, out);
//		bundle.putByteArray(DecodeThread.BARCODE_BITMAP, out.toByteArray());
//		bundle.putFloat(DecodeThread.BARCODE_SCALED_FACTOR, (float) width
//				/ source.getWidth());
//	}
//
//	public void setHints(Hashtable<DecodeHintType, Object> paramHashtable) {
//		multiFormatReader = new MultiFormatReader();
//		multiFormatReader.setHints(paramHashtable);
//	}
//}
